Portable restroom stall door lock



FIG. 1 is a perspective (back) view of the portable restroom stall door lock showing my new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a bottom plan view thereof;

FIG. 4 is a right side plan view thereof;

FIG. 5 is a left side plan view thereof;

FIG. 6 is a front elevation view thereof; and,

FIG. 7 is a rear elevation view thereof.

The broken lines indicate environment and forms no part of the claimed design. 

CLAIM A ornamental design for the portable restroom stall door lock, as described and shown. 